11. Ho, D. D., et al., “Infrequency of Isolation of HTLV-III Virus from Saliva in AIDS,” New England Journal of Medicine (1985), p. 1606.

- Winkelstein, W., Jr., et al., “Sexual Practices and Risk of Infection by the Human Immunodeficiency Virus: The San Francisco Men's Health Study,” Journal of the American Medical Association, 257 (1987), pp. 321-325. They found only 48% HIV positive.

- Salahuddin, S. K., et al., “Angiogenic Properties of Kaposi's Sarcoma-derived Cells After Long-term Culture In Vitro,” Science, 242 (1988), pp. 430-433.

- Lemp, G. E., et al., “Projections of AIDS Morbidity and Mortality in San Francisco,” Journal of the American Medical Association, 263 (1990), pp. 1497-1501. They found only 49% HIV positive.

- Simmonds, P., et al., “Human Immunodeficiency Virus-infected Individuals Contain Provirus in Small Numbers of Peripheral Mononuclear Cells and at Low Copy Numbers,” Journal of Virology, 64 (1990), pp. 864-872.

- van Griensven, G. J. P., et al., “Risk Factors for Progression of Human Immunodeficiency Virus (HIV) Infection Among Seroconverted and Seropositive Homosexual Men,” American Journal of Epidemiology, 132 (1990), pp. 203-210. They found only 31% HIV positive.

- Graham, N. M. Z., et al., “Effect of Zidovudine and Pneumocystis Carinii Pneumonia Prophylaxis on Progression of HIV-I Infection to AIDS,” Lancet, 338 (1991), pp. 265-269. They found only 43% HIV positive.

- Weiss, R., “Provenance of HIV strains,” Nature (London), 349 (1991), p. 374.

- van Voorhis, B. J., et al., “Detection of Human Immunodeficiency Virus Type I in Semen from Seropositive Men Using Culture and Polymerase Chain Reaction Deoxyribonucleic Acid Amplification Techniques,” Fertility/Sterility, 55 (1991), pp. 588-594.

- Anderson, D. J., et al., “Effects of Disease Stage and Zidovudine Therapy on the Detection of Human Immunodeficiency Virus Type I in Semen,” Journal of the American Medical Association, 267 (1992), pp. 2769-2774.

- Maddox, J., “Where the AIDS Virus Hides Away,” Nature, 362 (1993), p. 287.

- Cohen, J., Science, 259 (1993), pp. 168-170.

- Piatek, M. et al., “High Levels of HIV-I in Plasma During All Stages of Infection Determined by Competitive PCR,” Science, 259 (1993), pp. 1749-1754.

- Wain-Hobson, S., “Virological Mayhem,” Nature, 373 (1995), p. 102.